Overview of Troubleshooting the System

Prerequisites for Troubleshooting
the System

To troubleshoot storage management problems that are related to Solaris Volume Manager,
you need to do the following:

Have root privilege

Have a current backup of all data

General Guidelines for Troubleshooting Solaris Volume Manager

You should have the following information on hand when you troubleshoot Solaris Volume Manager problems:

Output from the metadb command

Output from the metastat command

Output from the metastat -p command

Backup copy of the /etc/vfstab file

Backup copy of the /etc/lvm/mddb.cf file

Disk partition information from the prtvtoc command
(SPARC® systems) or the fdisk command (x86 based systems)

The Solaris version on your system

A list of the Solaris patches that have been installed

A list of the Solaris Volume Manager patches that have been installed

Tip –

Any time you update your Solaris Volume Manager configuration, or make other
storage or operating system-related changes to your system, generate fresh
copies of this configuration information. You could also generate this information
automatically with a cron job.

General Troubleshooting Approach

Although no single procedure enables you to evaluate all problems with Solaris Volume Manager,
the following process provides one general approach that might help.

Gather information about current the configuration.

Review the current status indicators, including the output
from the metastat and metadb commands.
This information should indicate which component is faulty.